目前,我国从南到北将陆续进入汛期,抓紧时机做好一切防汛准备,以确保大江大河、大中型水库和大中城市的安全,保障国民经济建设的顺利进行和人民生命财产的安全,这是关系全局的大事,必须给予高度重视。从气象形势看,我国洪涝的发生有一定的周期性。建国以来的三十多年中,五十午代初期到 At present, our country will gradually enter the flood season from south to north and seize the opportune moment to make all preparations for flood control so as to ensure the safety of major rivers, large and medium-sized reservoirs and large and medium-sized cities so as to ensure the smooth progress of national economic construction and the safety of people’s lives and property, It is a major event that has a bearing on the overall situation and must be given high priority. From the meteorological situation, the occurrence of floods in our country has a certain period. Thirty years since the founding of the PRC, arrived in the early 1950s